This is a New Dumas Pittman Electric Motor. Used for Model Boats 25"- 40" Long. Can be run singly or in pairs and geared to drive two propellers.This is a Model 9004-6 for 6 volt.
Manufactured in U.S.A. by The Pittman Corporation, Sellersville,  PA.
 Distributed Exclusively
 By Dumas Products Inc.
 790 S. Park Ave.
 Tucson, Arizona 85719
  Please look at my Pictures.
 Don't haste to ask questions.